.w {
    width: 1226px;
    margin: 0 auto;
}
body {
    background-color: #f5f5f5;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.header {
    height: 39px;
    background-color: #333333;
}
.left_ban {
    position: relative;
}
.nofollow {
    display: block;
    float: left;
    height: 39px;
    line-height: 39px;
    color: #9c9c9c;
    font-size: 12px;
}
.left_ban .ners {
    display: none;
    position: absolute;
    left: 525px;
    bottom: -144px;
    background-color: #ffffff;
    width: 124px;
    text-align: center;
    z-index: 2;
}
.left_ban .ners::before {
    position: absolute;
    left: 55px;
    top: -12px;
    width: 0;
    height: 0;
    border: 6px solid;
    border-color: rgba(0,0,0,0 )  rgba(0,0,0,0) #ffffff rgba(0,0,0,0);
    content: '';
}
.left_ban .ners img {
    width: 90px;
    padding-top: 10px;
}
.left_ban h4 {
    margin-top: -10px;
    font-size: 14px;
    font-weight: 400;
}
.left_ban .nofo_ners:hover .ners {
    display: block;
}
.left_ban span {
    float: left;
    width: 5px;
    height: 39px;
    line-height: 39px;
    margin: 0 5px;
    color: #9c9c9c;
    font-size: 12px;
}
.right_ban span {
    float: left;
    width: 5px;
    height: 39px;
    line-height: 39px;
    margin: 0 5px;
    color: #9c9c9c;
    font-size: 12px;
}
.shopcar {
    width: 120px;
    height: 39px;
    line-height: 39px;
    margin-left: 24px;
    background-color: #424242;
    color: #9c9c9c;
    font-size: 12px;
    text-align: center; 
}
.shopcar div {
    display: none;
    position: absolute;
    right: 61px;
    top: 39px;
    width: 315px;
    height: 100px;
    line-height: 100px;
    background-color: #ffffff;
    text-align: center;
}
.shopcar:hover div {
    display: block;
    z-index: 4;
    box-shadow: 0 15px 30px rgba(0,0,0,.1);
}
/* .shopcar:hover, */
.site_header {
    height: 565px;
    background-color: #ffffff;
}
.site_header .container {
    height: 103px;
    line-height: 103px;
}
.header_logo{
    float: left;
    margin-top: 26px;
}
.site_header .container .logo {
    display: block;
    position: relative;
    width: 56px;
    height: 56px;
}
.site_header .container .logo::after {
    position: absolute;
    left: 0;
    top: 0;
    width: 56px;
    height: 56px;
    background: url(../images/logo-mi2.png) no-repeat;
    background-size: 100%;
    content: '';
}
.header_banner {
    position: relative;
    float: left;
    margin-left: 65px;
    color: #333333;
}
.header_banner>ul>li {
    float: left;
    height: 63px;
    line-height: 21px;
    margin-top: 40px;
    padding: 0 12px;
    cursor: pointer;
}
.main {
    /* display: none; */
    position: absolute;
    left: -120px;
    top: 103px;
    height: 462px;
    /* background-color: #ffffff; */
}
.sidebar {
    width: 234px;
    height: 462px;
    padding: 21px 0;
    /* background-color: #a29f9f; */
}
.sidebar ul li a {
    display: block;
    position: relative;
    overflow: hidden;
    width: 234px;
    height: 42px;
    padding-left: 30px;  
    line-height: 42px;
    color: #fcfcfc;
    font-size: 14px;
}
.sidebar a:hover {
    background-image: -webkit-linear-gradient(right, #ff6700,red);
}
.sidebar a i {
    position: absolute;
    top: 14px;
    right: 30px;
    color: #dfdfdf;
    font-size: 20px;
    font-weight: 700;
}
.sidebar .saef {
    display: none;
    position: absolute;
    left: 234px;
    top: 0;
    background-color: #ffffff;
    width: 992px;
    height: 462px;
    z-index: 2;
    transition: box-shadow .2s linear,-webkit-box-shadow .2s linear;
    transition-property: box-shadow, -webkit-box-shadow;
    transition-duration: 0.2s, 0.2s;
    transition-timing-function: linear, linear;
    transition-delay: 0s, 0s;
}
.sidebar li:hover>.saef {
    display: block;
    box-shadow: 0 15px 30px rgba(0,0,0,.1);
}
.header_banner ul li:hover>div {
    display: block;
}
.header_banner ul .sd3df_la {
    display: none;
    position: absolute;
    bottom: -230px;
    right: -393px;
    width: 1366px;
    height: 230px;
    border-top: 1px solid #e0e0e0;
    background-color: #ffffff;
    text-align: center;
    z-index: 2;
}
.sd3df:hover .sd3df_la {
    display: block;
}
.header_btn {
    position: relative;
    float: right;
    width: 300px;
    height: 50px;
    margin-top: 26px;
    background-color: white;
}
.header_btn input {
    width: 250px;
    height: 50px;
    line-height: 50px;
    margin-right: -1px;
    padding: 0 10px;
    border: 1px solid #e0e0e0;
    transition: all .5s;
} 
.header_btn input:hover,
.header_btn:hover button {
    border: 1px solid #b0b0b0;
}
.header_btn input:focus {
    border: 1px solid #ff6700;
}
.header_btn button {
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 50px;
    border: 1px solid #e0e0e0;  
    background-color: white;
    transition: all .5s;
}
.header_btn button:hover{
    background-color: #ff6700;
    border-color: transparent;
}
.header_btn button:hover i {
    color: #ffffff ;
}
.header_btn button i {
    color: #616161;
    font-size: 18px;
    font-weight: 700;
}
.footer {
    height: 330px;
    margin-top: 20px;
    background-color: #ffffff;
}
.footer .footer_hd {
    height: 78px;
    line-height: 78px;
    border-bottom: 1px solid #e0e0e0;
    color: #616161;
    font-size: 16px;
    text-align: center;
}
.footer .footer_hd a {
    display: block;
    float: left;
    width: 240px;
    height: 30px;
    line-height: 30px;
    margin: 24px 0;

}
.footer .footer_hd a:nth-child(-n+4) {
    border-right: 1px solid #e0e0e0;
}
.footer .footer_bd {
    margin-top: 40px;
}
.footer .footer_bd ul {
    display: block;
    float: left;
    width: 160px;
}
 .footer_bd .bd_l li {
    margin-bottom: 12px;
    color: #77777a;
    font-size: 12px;
}
.footer .footer_bd .bd_l ul li:first-child {
    margin-bottom: 20px;
    color: #424242;
    font-size: 14px;
}
.footer_bd .bd_r {
    float: right;
    width: 250px;
    text-align: center;
}
.footer_bd .bd_r p:first-child {
    color: #ff8b00;
    font-size: 22px;
}
.footer_bd .bd_r p:nth-child(2) {
    color: #61617a;
    font-size: 8px;
}
.footer_bd .bd_r button {
    width: 120px;
    height: 30px;
    margin: 8px 0;
    border: 1px solid #ff8b00;
    background-color: #ffffff;
    color: #ff8b00;
}
.footer_bd .bd_r .follow {
    position: relative;
    height: 24px;
    line-height: 24px;
    color: #484848;
    font-size: 8px;
    vertical-align: middle;   
}
.footer_bd .bd_r .follow a {
    display: inline-block;
    width: 24px;
    height: 24px;
}
.bd_r .follow img {
    width: 100%;
    vertical-align: middle;
}
.footer_bd .bd_r .follow_vis {
    display: none;
    position: absolute;
    bottom: -130px;
    right: 10px;
    width: 126px;
    height: 126px;
}
.footer_bd .bd_r .follow a:nth-child(2):hover .follow_vis {
    display: block;
}
.site_info .container {
    height: 150px;
    margin-top: 20px;
}
.site_info .logo {
    float: left;
    width: 56px;
    height: 150px;
    margin-right: 10px;
    background: url(../images/logo-mi2.png) no-repeat;
    background-size: 100%;
}
.site_info .info_text {
    float: left;
    width: 1100px;
    height: 150px;
}
.site_info .sites {
    color: #757575;
    font-size: 12px;
    line-height: 20px;
}
.site_info p {
    color: #b0b0b0;
    font-size: 12px;
    line-height: 20px;
}
.info_links img {
    height: 28px;
}
.info_links .inbos {
    position: relative;
}
.inbos img {
    position: absolute;
    animation: move 4s steps(2) infinite;
}
.inbos .la {
    animation-delay: 0s;
}
.inbos .lb {
    animation-delay: 2s;
}
@keyframes move {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}
.slogan {
    margin: 30px 0;
    background: url(../images/slogan2020.png) no-repeat center;
}